golang的http分析
// Multiple goroutines may invoke methods on a Listener simultaneously.type Listener interface {
// Accept waits for and returns the next connection to the listener.
Accept() (Conn, error)
// Close closes the listener.
// Any blocked Accept operations will be unblocked and return errors.
Close() error
// Addr returns the listener's network address.
Addr() Addr
}
// 这里实现得比较好，覆盖了一个Accept方法，在其中加入了keepAlived的选项。其他两个方法仍旧使用原listener的
type tcpKeepAliveListener struct {
*net.TCPListener // 外层可直接调它的方法不需要指定成员
}
func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) {
tc, err := ln.AcceptTCP()
if err != nil {
return
}
tc.SetKeepAlive(true)
tc.SetKeepAlivePeriod(3 * time.Minute)
return tc, nil
}
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